Gloucester Harbor entrance Currents

Currents 2.0 mi Blynman Canal ent., Gloucester Harbor 6.0 mi Annisquam Harbor Light 6.9 mi Little Misery Island 9.1 mi Haste Shoal 9.3 mi Marblehead Channel 10.3 mi Plum Island Sound entrance 10.7 mi Fort Pickering, 0.2nm south of Tides 2.1 mi Gloucester Harbor 5.1 mi Annisquam, Lobster Cove 6.1 mi Rockport Harbor 6.2 mi Essex, Essex River 10.6 mi Plum Island Sound (South End) 11.0 mi Salem, Salem Harbor 11.2 mi Beverly Harbor, Beverly